oval box, the cover, sides and base set with panels of translucent red enamel over an engine-turned coin-pattern ground, the cover centred with an oval portrait miniature on vellum, possibly of Louis, Dauphin of France, Duke of Burgundy in gilt-edged silver breastplate over embroidered blue coat, tied red bow around neck and white lace cravat, full-bottomed wig, within oval diamond-studded frame, the sides centred with oval sablé vari-colour gold cartouches chased with trophies of love, gardening and music and hung with laurel-leaf garlands, the corner pilasters chased with translucent blue enamel classical vases, the base centred with an oval glazed cartouche with applied intertwined gold initials L, all within sablé chased gold borders set with translucent green enamel foliage with opalescent white enamel berries stamped at intervals with fleur-de-lys